natural seeding
131Panicum virgatum — Taxobox name = Switchgrass image width = 240px regnum = Plantae divisio = Magnoliophyta classis = Liliopsida ordo = Poales familia = Poaceae genus = Panicum species = P. virgatum binomial = Panicum virgatum binomial authority = L. Panicum… …
132Self-replicating machine — A self replicating machine is an artificial construct that is theoretically capable of autonomously manufacturing a copy of itself using raw materials taken from its environment. The concept of self replicating machines has been advanced and… …
